Home / 28,909.22-43,342.74-19,525.94

Finding the Fourth Proportional to 28,909.22, 43,342.74 and 19,525.94

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Solution

The fourth proportional to 28,909.22, 43,342.74 and 19,525.94 is: 29,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909.22 : 43,342.74 = 19,525.94 : x
  2. Step 2: Convert to fraction form
    28,909.22/43,342.74 = 19,525.94/x
  3. Step 3: Cross multiply
    28,909.22x = 43,342.74 × 19,525.94
  4. Step 4: Simplify right side
    28,909.22x = 846,307,740.68
  5. Step 5: Solve for x
    x = 846,307,740.68/28,909.22
  6. Step 6: Final answer
    x = 29,274.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.